Motorcycle engine cylinder



FIG. 1 is a front elevational view of a motorcycle engine cylindershowing my new design;

FIG. 2 is a top plan view thereof taken along the line 2--2 of FIG. 1;

FIG. 3 is a bottom plan view thereof taken along the line 3--3 of FIG.1;

FIG. 4 is a side elevation view thereof taken along the line 4--4 ofFIG. 1; and,

FIG. 5 is a rear elevation view thereof taken along the line 5--5 ofFIG. 4.

The ornamental design for a motorcycle engine cylinder, as shown anddescribed.